Professor @ Microbiology Wageningen Netherlands @Helsinki Finland

Bacterial Molecular Genetics Laboratory, El Bosque University

Director of the Centre for Bacterial Cell Biology, Newcastle University

University of California Davis

Professor of Developmental Biology, Stanford University

Professor of Epidemiology and Public Health, Univeristy of Maryland Baltimore

Professor of Molecular Genetics, University of Birmingham

Professor em. Humboldt University

Distinguished Professor of Oral Biology, University of Florida

Professor of Biosciences, Jamia Millia Islamia, New Delhi, India